Why the available free space in the device is changing frequently in iphone sdk?

Memory warnings trigger a release of unneeded objects. This may include views that are not displayed and intermediary data that does not need to be in memory, especially stuff that can be recreated as needed – perhaps even pre-scaled images.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.